Defender-class boat - Wikipedia The Defender-class boat, also called Response Boat – Small (RB-S) and Response Boat . Although similar in appearance to a rigid-hulled inflatable boat, the Defender is . an aluminum-hulled vessel, equipped with a rigid foam-filled flotation collar. . A Defender-class boat in service with the Kenya Navy Special Boat Unit.

GCR - Innovation - Kenya's building cool houses – from… 31 May 2016 . Developers in Kenya have begun building houses from polystyrene to offer . Panels for putting homes together are made from a light cellular plastic foam, . for the likes of the roof support and for rigid support of the frame etc.